import random
from datetime import datetime

from flask import current_app, jsonify
from flask import make_response
from flask import request, abort
import re

from flask import session

from info import constants, db
from info import redis_store
from info.libs.yuntongxun.sms import CCP
from info.models import User
from info.utils.captcha.captcha import captcha
from info.utils.response_code import RET
from . import passport_blu


@passport_blu.route("/logout")
def logout():
    session.pop("user_id", None)
    return jsonify(errno=RET.OK, errmsg="退出成功")


@passport_blu.route("/login", methods=["POST"])
def login():
    params_dict = request.json
    mobile = params_dict.get("mobile")
    password = params_dict.get("password")

    if not all([mobile, password]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    if not re.match('1[13678]\\d{9}', mobile):
        return jsonify(errno=RET.PARAMERR, errmsg="手机号格式不正确")

    try:
        user = User.query.filter(User.mobile == mobile).first()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")

    if not user:
        return jsonify(errno=RET.NODATA, errmsg="该用户未注册")

    if not user.check_password(password):
        return jsonify(errno=RET.DATAERR, errmsg="用户名或密码错误")

    session["user_id"] = user.id
    user.last_login = datetime.now()

    return jsonify(errno=RET.OK, errmsg="登录成功")


@passport_blu.route("/register", methods=["POST"])
def register():
    params_dict = request.json
    mobile = params_dict.get("mobile")
    smscode = params_dict.get("smscode")
    password = params_dict.get("password")

    if not all([mobile, smscode, password]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    if not re.match('1[13678]\\d{9}', mobile):
        return jsonify(errno=RET.PARAMERR, errmsg="手机号格式不正确")

    try:
        real_sms_code = redis_store.get("SMS_"+mobile)
        current_app.logger.debug(real_sms_code)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")

    if not real_sms_code:
        return jsonify(errno=RET.NODATA, errmsg="手机验证码已过期")

    if real_sms_code != smscode:
        return jsonify(errno=RET.DATAERR, errmsg="验证码输入错误")

    user = User()
    user.mobile = mobile
    # 初始账号没有昵称,用手机号代替
    user.nick_name = mobile
    # 记录用户最后一次登陆时间
    user.last_login = datetime.now()
    # 密码需要处理
    user.password = password

    try:
        db.session.add(user)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="数据保存失败")

    session["user_id"] = user.id

    return jsonify(errno=RET.OK, errmsg="注册成功")


@passport_blu.route("/sms_code", methods=["POST"])
def send_sms_code():
    params_dict = request.json

    mobile = params_dict.get("mobile")
    image_code = params_dict.get("image_code")
    image_code_id = params_dict.get("image_code_id")
    print(mobile, image_code, image_code_id)

    if not all([mobile, image_code, image_code_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    if not re.match('1[13678]\\d{9}', mobile):
        return jsonify(errno=RET.PARAMERR, errmsg="手机号格式不正确")

    try:
        real_image_code = redis_store.get("ImageCodeId_"+image_code_id)
        current_app.logger.debug(real_image_code)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")

    if not real_image_code:
        return jsonify(errno=RET.NODATA, errmsg="图片超时已过期")

    if real_image_code.upper() != image_code.upper():
        return jsonify(errno=RET.DATAERR, errmsg="验证码输入错误")

    sms_code_str = "%06d" % random.randint(0, 999999)
    current_app.logger.debug("短信验证码内容是:%s" % sms_code_str)

    # result = CCP().send_template_sms(mobile, [sms_code_str, constants.SMS_CODE_REDIS_EXPIRES / 60], "1")
    # if result != 0:
    #     return jsonify(errno=RET.THIRDERR, errmsg="发送短信失败")
    print(sms_code_str)
    try:
        redis_store.set("SMS_"+mobile, sms_code_str, constants.SMS_CODE_REDIS_EXPIRES)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据保存失败")

    return jsonify(errno=RET.OK, errmsg="发送短信成功")


@passport_blu.route("/image_code")
def get_image_code():
    image_code_id = request.args.get("imageCodeId", None)
    if not image_code_id:
        return abort(403)

    name, text, image = captcha.generate_captcha()
    try:
        redis_store.set("ImageCodeId_"+image_code_id, text, constants.IMAGE_CODE_REDIS_EXPIRES)
    except Exception as e:
        current_app.logger.error(e)
        abort(500)

    response = make_response(image)
    response.headers["Content-Type"] = "image/jpg"

    return response